a contractor required 42 labours to whitewash a building in 63 days in how many days will the building be whitewashed if 7 more labours join the work
Answers
Answered by
45
Answer:54 days
Step-by-step explanation:
42 labours finish the work in 63 days
1 labour will finish it in 42×63 days
After 7 more labour join, total labours will be (42+7)=49 labours.
Therefore 49 labours will finish in (42×63/49) days
=6×63/7=6×9=54 days.
Answered by
15
Answer:
54 days
Step-by-step explanation:
total work done by 42 labours = 42*63
now,
total labours =42+7=49
no. of days required to do the work =42*69/49
=54
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